Portion of a lighting fixture



FIG. 1 is a bottom perspective view of a portion of a lighting fixture showing our new design;

FIG. 2 is another bottom perspective view thereof with the lamp shown in broken lines removed;

FIG. 3 is bottom plan view thereof, with the lamp shown in broken lines removed;

FIG. 4 is a side elevational view thereof, the other side being a mirror image;

FIG. 5 is a top plan view thereof;

FIG. 6 is an end elevational view thereof; and,

FIG. 7 is a enlarged cross-sectional view thereof taken long lines 7—7 in FIG. 4.

FIGS. 1-5 are broken away to indicate indeterminate length. The broken lines shown in FIGS. 1and 7 are for illustrative purposes only and form no part of our claimed design. The broken lines in FIG. 5 represent the bounds of the claimed design; the region within these broken lines forms no part of our claimed design. 

The ornamental design for a portion of a lighting fixture, as shown and described. 